Make link regular expression only be created once

src/messages/MessageBuilder.cpp

@@ -1,4 +1,6 @@
 #include "MessageBuilder.hpp"
+
+#include "common/LinkParser.hpp"
 #include "singletons/EmoteManager.hpp"
 #include "singletons/ResourceManager.hpp"
 #include "singletons/ThemeManager.hpp"
@@ -43,51 +45,16 @@ void MessageBuilder::appendTimestamp(const QTime &time)
 
 QString MessageBuilder::matchLink(const QString &string)
 {
-    QFile tldFile(":/tlds.txt");
-    tldFile.open(QFile::ReadOnly);
-    QTextStream t1(&tldFile);
-    t1.setCodec("UTF-8");
-    QString tldData = t1.readAll();
-    tldData.replace("\n", "|");
-    const QString urlRegExp = "^"
-    // protocol identifier
-    "(?:(?:https?|ftps?)://)?"
-    // user:pass authentication
-    "(?:\\S+(?::\\S*)?@)?"
-    "(?:"
-    // IP address dotted notation octets
-    // excludes loopback network 0.0.0.0
-    // excludes reserved space >= 224.0.0.0
-    // excludes network & broacast addresses
-    // (first & last IP address of each class)
-    "(?:[1-9]\\d?|1\\d\\d|2[01]\\d|22[0-3])"
-    "(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}"
-    "(?:\\.(?:[1-9]\\d?|1\\d\\d|2[0-4]\\d|25[0-4]))"
-    "|"
-    // host name
-    "(?:(?:[_a-z\\x{00a1}-\\x{ffff}0-9]-*)*[a-z\\x{00a1}-\\x{ffff}0-9]+)"
-    // domain name
-    "(?:\\.(?:[a-z\\x{00a1}-\\x{ffff}0-9]-*)*[a-z\\x{00a1}-\\x{ffff}0-9]+)*"
-    // TLD identifier
-    //"(?:\\.(?:[a-z\\x{00a1}-\\x{ffff}]{2,}))"
-    "(?:[\\.](?:" + tldData + "))"
-    "\\.?"
-    ")"
-    // port number
-    "(?::\\d{2,5})?"
-    // resource path
-    "(?:[/?#]\\S*)?"
-    "$";
-    static QRegularExpression linkRegex(urlRegExp, QRegularExpression::CaseInsensitiveOption);
+    LinkParser linkParser(string);
+
     static QRegularExpression httpRegex("\\bhttps?://");
     static QRegularExpression ftpRegex("\\bftps?://");
-    auto match = linkRegex.match(string);
 
-    if (!match.hasMatch()) {
+    if (!linkParser.hasMatch()) {
         return QString();
     }
 
-    QString captured = match.captured();
+    QString captured = linkParser.getCaptured();
 
     if (!captured.contains(httpRegex)) {
         if (!captured.contains(ftpRegex)) {